【動画】危うく大事故？ 地表に落下していくカプセルのパラシュートをよく見ると「穴」が

Drag sails unfurl at the end of a spacecraft's mission to speed up its decent and burn up in Earth's atmosphere.
This reduces the risk of it colliding with an active satellite or breaking up into a cloud of dangerous #spacedebris. pic.twitter.com/RtEefiBGcB

— ESA Operations (@esaoperations) April 28, 2021